# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import unittest

import paddle


class TensorToTest(unittest.TestCase):
    def test_layer_to_place(self):
        model = paddle.vision.models.resnet18()
        place = paddle.randn([]).cpu().place
        _ = model.to(place)

    def test_layer_to_place_error(self):
        model = paddle.vision.models.resnet18()

        place = 1
        with self.assertRaisesRegex(
            ValueError,
            "device should be type of str, paddle.CPUPlace, paddle.CUDAPlace, paddle.CUDAPinnedPlace, paddle.XPUPlace, or paddle.base.libpaddle.Place, but got int",
        ):
            _ = model.to(place)


if __name__ == '__main__':
    unittest.main()
